.copyright-box {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.copyright-item {
    width: 900px;
    height: 500px;
    background-color: #ffffff;
    border-radius: 20px;
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    padding: 50px 0;
}

.copyright-item-title {
    width: 100%;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 20px;
}
a{
    text-decoration: none;
    color: #4dc2ff;
}